Home > Articles > Certification > Cisco Certification > CCNP Voice / CCVP

  • Print
  • + Share This
This chapter is from the book

Cisco Unified Communications Manager Global Transformations

CUCM version 7.0 introduced number normalization and number globalization support for E.164-based call routing. Calling and called party transformation patterns extend the power of CUCM's digit manipulation. Calling and called party transformation patterns have the following characteristics:

  • Transformations are implemented in the global CUCM configuration.
  • Calling and called party transformation patterns are put into partitions.
  • Identical transformation patterns with different transformation settings can exit if they are put into different partitions. Partitions separate dial plan elements so that each pattern will only be evaluated if that partition is in the calling party's Calling Search Space (CSS).
  • Gateways and trunks can be configured with calling and called party transformation CSSs. Calling party transformations are supported at the Cisco IP Phone, but called party transformations are not supported on the Cisco IP Phone.
  • The transformation CSS determines which transformation patterns are visible to the device.

Calling and called party transformation patterns are applicable only to calls from CUCM to gateways, trunks, and phones. A call to a phone is usually not considered to be an outgoing call from a user's perspective. Think of a phone as the outgoing call leg of an internal call from another phone or incoming call.

Instead of configuring an individual calling and called party transformation CSS at each device, you can configure the devices to use calling and called party transformation CSSs configured at the device pool level. No transformation is performed if the device and associated device pool are not configured with a transformation CSS.

Calling and called party transformations are not applicable to calls that CUCM receives from devices (incoming call legs). Figure 11-15 illustrates called party transformations for four different phone numbers.

Figure 11-15

Figure 11-15 Called Party Transformation Patterns

Calling and called party globalized call routing has been configured in Figure 11-15, as indicated by the leading + character shown in the following four called party number strings:

  • +49691234
  • +14085551234
  • +17035551234
  • +13035551234

Transformations patterns only apply to outgoing call legs. Figure 11-15 is an example of globalized outbound call routing. Only the localization of the called number at the selected outgoing gateway is considered in this example.

Figure 11-15 is an example with four called party transformation patterns in three partitions at headquarters (HQ_GW) and branch (Branch_GW) sites. Partition A is specific to HQ (local area code 703), while partition B includes generic transformation patterns used by both HQ and Branch. Partition C is specific to the Branch site (local area code 303). The HQ gateway is configured with a called party transformation CSS that includes partitions A and B. The Branch gateway is configured with a called party transformation CSS that includes partitions B and C.

The transformation pattern in partition A modifies all 11 called party number information into a seven-digit called party number. The pattern also configures the numbering plan type to subscriber. Ten- and 11-digit dialing is normally categorized with a numbering plan type of national. Some providers require the numbering plan type to be set to the proper numbering plan type or they will reject the call. The transformation pattern in partition C provides the same function for called party numbers that are within the Branch area code of 303. Partition B is a partition that is shared between both the HQ and Branch transformation CSSs. Partition B includes two transformation patterns:

  • \+1XXXXXXXXXX
  • \+.!

The first pattern matches on all 11-digit patterns beginning with the E.164 + character used to route international calls followed by a 1 and any ten digits. This pattern represents all U.S. area codes within a globalized route plan. The second pattern represents all other possible numbers that begin with the + character followed by two digits or more.

Calls to the following four called party numbers are transformed differently depending on the gateway to which they are routed:

  • +49691234 is matched and transformed on both gateways to 49691234 with a numbering plan type set to international. If the ISDN provider does not support number types, a prefix of 011 must be used to indicate the fact that this is an international call.
  • +14085551234 is matched and transformed on both gateways to 4085551234, with type national. If the ISDN provider does not support number types, a prefix of 011 must be used.
  • +17035551234 is matched and transformed on the both gateways, but the outbound calls match on different transformation patterns because of the different CSSs used at the respective gateways. The +17035551234 called party number is routed out the HQ gateway as 5551234 with a numbering plan type of subscriber. The Branch gateway matches the \+1XXXXXXXXXX with a number plan type of national. If the ISDN provider does not support numbering plan types for international call routing, a prefix of 011 must be used to route an international call.
  • +13035551234 is matched and transformed on the Branch gateway with the \+1303XXXXXXX transformation pattern. The called party number is sent out the HQ gateway with a called party number of 5551234 and a numbering plan type of subscriber. The called party number is sent out the Branch gateway as 303 5551234 and a number plan type of national. If the ISDN provider does not support number types, a prefix of 011 must be used.

Figure 11-16 shows an example of calling party number transformation using calling party transformation patterns in different partitions. The HQ and Branch gateways and phones are configured with different calling party transformation CSSs to change the calling number differently depending on which gateway processes the call. Only the localization of the calling party number at the HQ outgoing gateway is considered in this example.

Figure 11-16

Figure 11-16 Calling Party Transformation Patterns in Partitions

There are three calling party transformation patterns in three different partitions. Partition A is specific to HQ (local area code 703), while partition B includes a generic transformation pattern for all 11 digit numbers in the North American Numbering Plan (NANP). Partition C is specific to the Branch (local area code 303).

The HQ gateway phones are configured with a calling party transformation CSS that includes partitions A and B, while the Branch gateway and phones have a calling party transformation CSS that includes partitions B and C. The transformation pattern in partition A modifies all HQ globalized numbers to a seven-digit number with a numbering plan type of subscriber. The transformation pattern in partition C provides the same functionality for local calls at the Branch site. Partition B is used by both the HQ and Branch transformation CSSs. Partition B includes the transformation pattern of \+1XXXXXXXXXX and represents all area codes in the NANP.

The calling party numbers will be transformed as follows:

  • A +17035551002 call from an HQ phone to the PSTN through the HQ gateway is transformed to 5551002 with a numbering plan type of subscriber.
  • A +13035551001 call from a Branch phone to the PSTN through the HQ gateway is transformed to 3035551001 with a numbering plan type of national.

Calling Party Transformation Pattern Configuration

Calling party transformation patterns are configured in CUCM Administration. Choose Call Routing > Transformation > Transformation Pattern > Calling Party Transformation Pattern. Click the Add New button to create a new calling party transformation pattern.

In the pattern configuration, define a matching pattern and assign a partition to this pattern. Specify calling party transformations in the same way as the route pattern, route list, and translation pattern configurations covered earlier in this chapter. Figure 11-17 is a screen capture of the Calling Party Transformation Pattern Configuration page in CUCM Administration.

Figure 11-17

Figure 11-17 Calling Party Transformation Pattern Configuration

Called Party Transformation Pattern Configuration

Called party transformation patterns are configured in CUCM Administration. Choose Call Routing > Transformation > Transformation Pattern > Called Party Transformation Pattern. Click Add New to create a new called party transformation pattern. Figure 11-18 is a screen capture of a Called Party Transformation Pattern Configuration page.

Figure 11-18

Figure 11-18 Called Party Transformation Pattern Configuration

Transformation Calling Search Space

The transformation Calling Search Space (CSS) configuration is identical to the CSS configuration used to configure class of service (CoS) restrictions that was covered in the last chapter. The CSS is applied differently to restrict the patterns that are matched for the purpose of digit transformation. During digit analysis, CUCM treats transformation patterns similar to any other pattern in the call-routing database. Independent CSSs are normally created for the purpose of performing calling and called party digit transformation using transformation patterns. Calling and called party transformation CSSs can be applied in the phone, gateway, and device pool configuration locations of CUCM Administration.

Figure 11-19 is a screen capture of a CSS configuration that will be used as a transformation CSS. Transformation CSSs normally only have one partition.

Figure 11-19

Figure 11-19 Transformation CSS

Figure 11-20 illustrates the application of the CSS created in Figure 11-19 as a calling party transformation CSS on a Phone Configuration page in CUCM Administration.

Figure 11-20

Figure 11-20 Transformation CSS Application

Incoming Number Settings

Incoming transformation settings have the following characteristics:

  • They allow the configuration of digit prefixes, digit stripping, and transformations to be applied to calling and called party numbers for calls inbound to the CUCM cluster. Different settings can be configured per number plan type (unknown, subscriber, national, and international) if this information is in the call signaling.
  • Incoming calling and called party settings can be configured at the device, device pool, and/or global service parameter configuration levels in CUCM Administration.
  • Incoming calling and called party setting apply to calls received from gateways and trunks. Incoming calling and called party settings are not applicable to calls that are received from phones. The external phone number mask of directory numbers is used to globalize the calling party number from Cisco IP Phones.

H.225 trunks and H.323 gateways support incoming calling and called party settings based on numbering plan type, but Media Gateway Control Protocol (MGCP) gateways support only incoming calling party settings based on numbering plan type. Session Initiation Protocol (SIP) does not support numbering plan types.

Incoming Calling Party Prefix Example: Globalization of Calling Number

Figure 11-21 shows an example of incoming calling party digit transformation for calling party number globalization using the E.164 + international operator pattern. Figure 11-22 is performing digit transformation based on the numbering plan type provided in the incoming call signaling from the provider in Hamburg, Germany.

Figure 11-21

Figure 11-21 Globalization of Calling Number

Figure 11-22

Figure 11-22 Gateway Calling Party Settings

Gateway Incoming Calling Party Settings Configuration

The gateway is configured with the following incoming calling party number digit manipulation:

  • Prefix +4940 for calls that are received with a numbering plan type of subscriber.
  • Prefix +49 for calls that are received with a numbering plan type of national.
  • Prefix a + and strip the leading two digits of the calling party number for calls that are received with a numbering plan type of international.

Incoming calling party settings can be configured at the bottom of the gateway or trunk configuration level of CUCM Administration. Figure 11-23 is a screen capture of the configuration required to perform the digit transformation illustrated in Figure 11-22.

Figure 11-23

Figure 11-23 Calling Party Transformation Mask Example

Device Pool Incoming Calling and Called Party Transformation Calling Search Space

Selecting the Use Device Pool CSS check box causes CUCM to ignore any transformation CSS configured at the gateway or trunk level. The transformation CSS defined at the device pool that is associated to the gateway or trunk is applied instead.

The configuration of incoming calling and called party settings in the device pool is nearly identical to the configuration of these settings on gateways or trunks.

The only differences are the following:

  • The device pool does not include a Use Device Pool CSS check box.
  • If the Default keyword is used in any Prefix field, the corresponding incoming calling or called party settings set at the Cisco CallManager service parameter configuration level are applied.
  • + Share This
  • 🔖 Save To Your Account

InformIT Promotional Mailings & Special Offers

I would like to receive exclusive offers and hear about products from InformIT and its family of brands. I can unsubscribe at any time.

Overview


Pearson Education, Inc., 221 River Street, Hoboken, New Jersey 07030, (Pearson) presents this site to provide information about products and services that can be purchased through this site.

This privacy notice provides an overview of our commitment to privacy and describes how we collect, protect, use and share personal information collected through this site. Please note that other Pearson websites and online products and services have their own separate privacy policies.

Collection and Use of Information


To conduct business and deliver products and services, Pearson collects and uses personal information in several ways in connection with this site, including:

Questions and Inquiries

For inquiries and questions, we collect the inquiry or question, together with name, contact details (email address, phone number and mailing address) and any other additional information voluntarily submitted to us through a Contact Us form or an email. We use this information to address the inquiry and respond to the question.

Online Store

For orders and purchases placed through our online store on this site, we collect order details, name, institution name and address (if applicable), email address, phone number, shipping and billing addresses, credit/debit card information, shipping options and any instructions. We use this information to complete transactions, fulfill orders, communicate with individuals placing orders or visiting the online store, and for related purposes.

Surveys

Pearson may offer opportunities to provide feedback or participate in surveys, including surveys evaluating Pearson products, services or sites. Participation is voluntary. Pearson collects information requested in the survey questions and uses the information to evaluate, support, maintain and improve products, services or sites, develop new products and services, conduct educational research and for other purposes specified in the survey.

Contests and Drawings

Occasionally, we may sponsor a contest or drawing. Participation is optional. Pearson collects name, contact information and other information specified on the entry form for the contest or drawing to conduct the contest or drawing. Pearson may collect additional personal information from the winners of a contest or drawing in order to award the prize and for tax reporting purposes, as required by law.

Newsletters

If you have elected to receive email newsletters or promotional mailings and special offers but want to unsubscribe, simply email information@informit.com.

Service Announcements

On rare occasions it is necessary to send out a strictly service related announcement. For instance, if our service is temporarily suspended for maintenance we might send users an email. Generally, users may not opt-out of these communications, though they can deactivate their account information. However, these communications are not promotional in nature.

Customer Service

We communicate with users on a regular basis to provide requested services and in regard to issues relating to their account we reply via email or phone in accordance with the users' wishes when a user submits their information through our Contact Us form.

Other Collection and Use of Information


Application and System Logs

Pearson automatically collects log data to help ensure the delivery, availability and security of this site. Log data may include technical information about how a user or visitor connected to this site, such as browser type, type of computer/device, operating system, internet service provider and IP address. We use this information for support purposes and to monitor the health of the site, identify problems, improve service, detect unauthorized access and fraudulent activity, prevent and respond to security incidents and appropriately scale computing resources.

Web Analytics

Pearson may use third party web trend analytical services, including Google Analytics, to collect visitor information, such as IP addresses, browser types, referring pages, pages visited and time spent on a particular site. While these analytical services collect and report information on an anonymous basis, they may use cookies to gather web trend information. The information gathered may enable Pearson (but not the third party web trend services) to link information with application and system log data. Pearson uses this information for system administration and to identify problems, improve service, detect unauthorized access and fraudulent activity, prevent and respond to security incidents, appropriately scale computing resources and otherwise support and deliver this site and its services.

Cookies and Related Technologies

This site uses cookies and similar technologies to personalize content, measure traffic patterns, control security, track use and access of information on this site, and provide interest-based messages and advertising. Users can manage and block the use of cookies through their browser. Disabling or blocking certain cookies may limit the functionality of this site.

Do Not Track

This site currently does not respond to Do Not Track signals.

Security


Pearson uses appropriate physical, administrative and technical security measures to protect personal information from unauthorized access, use and disclosure.

Children


This site is not directed to children under the age of 13.

Marketing


Pearson may send or direct marketing communications to users, provided that

  • Pearson will not use personal information collected or processed as a K-12 school service provider for the purpose of directed or targeted advertising.
  • Such marketing is consistent with applicable law and Pearson's legal obligations.
  • Pearson will not knowingly direct or send marketing communications to an individual who has expressed a preference not to receive marketing.
  • Where required by applicable law, express or implied consent to marketing exists and has not been withdrawn.

Pearson may provide personal information to a third party service provider on a restricted basis to provide marketing solely on behalf of Pearson or an affiliate or customer for whom Pearson is a service provider. Marketing preferences may be changed at any time.

Correcting/Updating Personal Information


If a user's personally identifiable information changes (such as your postal address or email address), we provide a way to correct or update that user's personal data provided to us. This can be done on the Account page. If a user no longer desires our service and desires to delete his or her account, please contact us at customer-service@informit.com and we will process the deletion of a user's account.

Choice/Opt-out


Users can always make an informed choice as to whether they should proceed with certain services offered by InformIT. If you choose to remove yourself from our mailing list(s) simply visit the following page and uncheck any communication you no longer want to receive: www.informit.com/u.aspx.

Sale of Personal Information


Pearson does not rent or sell personal information in exchange for any payment of money.

While Pearson does not sell personal information, as defined in Nevada law, Nevada residents may email a request for no sale of their personal information to NevadaDesignatedRequest@pearson.com.

Supplemental Privacy Statement for California Residents


California residents should read our Supplemental privacy statement for California residents in conjunction with this Privacy Notice. The Supplemental privacy statement for California residents explains Pearson's commitment to comply with California law and applies to personal information of California residents collected in connection with this site and the Services.

Sharing and Disclosure


Pearson may disclose personal information, as follows:

  • As required by law.
  • With the consent of the individual (or their parent, if the individual is a minor)
  • In response to a subpoena, court order or legal process, to the extent permitted or required by law
  • To protect the security and safety of individuals, data, assets and systems, consistent with applicable law
  • In connection the sale, joint venture or other transfer of some or all of its company or assets, subject to the provisions of this Privacy Notice
  • To investigate or address actual or suspected fraud or other illegal activities
  • To exercise its legal rights, including enforcement of the Terms of Use for this site or another contract
  • To affiliated Pearson companies and other companies and organizations who perform work for Pearson and are obligated to protect the privacy of personal information consistent with this Privacy Notice
  • To a school, organization, company or government agency, where Pearson collects or processes the personal information in a school setting or on behalf of such organization, company or government agency.

Links


This web site contains links to other sites. Please be aware that we are not responsible for the privacy practices of such other sites. We encourage our users to be aware when they leave our site and to read the privacy statements of each and every web site that collects Personal Information. This privacy statement applies solely to information collected by this web site.

Requests and Contact


Please contact us about this Privacy Notice or if you have any requests or questions relating to the privacy of your personal information.

Changes to this Privacy Notice


We may revise this Privacy Notice through an updated posting. We will identify the effective date of the revision in the posting. Often, updates are made to provide greater clarity or to comply with changes in regulatory requirements. If the updates involve material changes to the collection, protection, use or disclosure of Personal Information, Pearson will provide notice of the change through a conspicuous notice on this site or other appropriate way. Continued use of the site after the effective date of a posted revision evidences acceptance. Please contact us if you have questions or concerns about the Privacy Notice or any objection to any revisions.

Last Update: November 17, 2020