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i have configured the external mask at the DN level. previously the external mask was configured on the &nbsp;Caller ID DN setting under the two MGCP E1 endpoints for Gateway. I removed the caller ID setting reset the gateway once i did that any &nbsp;external calls from any DN is being displayed with the group number 
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i have configured the external mask at the DN level. previously the external mask was configured on the  Caller ID DN setting under the two MGCP E1 endpoints for Gateway. I removed the caller ID setting reset the gateway once i did that any  external calls from any DN is being displayed with the group number

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Thx ged for ur help i found the solution from this link<br />
<br />
<a href="http://supportwiki.cisco.com/ViewWiki/index.php/How_to_change_the_caller_ID_display_from_one_number_to_another_and_the_external_phone_number_mask_is_configured_but_does_not_work_properly" rel="ugc">http://supportwiki.cisco.com/ViewWiki/index.php/How_to_change_the_caller_ID_display_from_one_number_to_another_and_the_external_phone_number_mask_is_configured_but_does_not_work_properly</a><br />
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kiran
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Thx ged for ur help i found the solution from this link

http://supportwiki.cisco.com/ViewWiki/index.php/How_to_change_the_caller_ID_display_from_one_number_to_another_and_the_external_phone_number_mask_is_configured_but_does_not_work_properly [http://supportwiki.cisco.com/ViewWiki/index.php/How_to_change_the_caller_ID_display_from_one_number_to_another_and_the_external_phone_number_mask_is_configured_but_does_not_work_properly]

kiran

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we have got call manger 5.0 and the gateway is cisco 3825 router. &nbsp;The TELCO has provided us with 2 different range of numbers 9279XXXX and 9254XXXX. <br />
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my question is how would we configure Caller ID DN for 2 different number ranges.<br />
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The CCM allows you to only have one range. can some thing be done on the router.<br />
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Iam very new to call manager so please acept my aplogies for my ignorance &nbsp;
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we have got call manger 5.0 and the gateway is cisco 3825 router.  The TELCO has provided us with 2 different range of numbers 9279XXXX and 9254XXXX. 

my question is how would we configure Caller ID DN for 2 different number ranges.

The CCM allows you to only have one range. can some thing be done on the router.

Iam very new to call manager so please acept my aplogies for my ignorance  

Cisco Call manager 5.0 MGCP Gateway configuration

Voice over IP (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms commonly associated with VoIP are IP telephony, Internet telephony, broadband telephony, and broadband phone service. The term specifically refers to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the public Internet, rather than via the public switched telephone network (PSTN).  Examples of the VoIP protocols are H.323, Media Gateway Control Protocol (MGCP), Session Initiation Protocol (SIP), H.248 (also known as Media Gateway Control (Megaco)), Real-time Transport Protocol (RTP), Real-time Transport Control Protocol (RTCP), Secure Real-time Transport Protocol (SRTP), Session Description Protocol (SDP), and Inter-Asterisk eXchange (IAX).

Voice Over IP

A router is a networking device that forwards data packets between computer networks. Routers perform the "traffic directing" functions on the Internet. The most familiar type of routers are home and small office cable or DSL routers that simply pass data, such as web pages, email, IM, and videos between computers and the Internet. More sophisticated routers, such as enterprise routers, connect large business or ISP networks up to the powerful core routers that forward data at high speed along the optical fiber lines of the Internet backbone. Though routers are typically dedicated hardware devices, use of software-based routers has grown increasingly common.

Routers

A switch is a device that filters and forwards packets of data between LAN segments. Switches operate at the data link layer or the network layer of the Open Systems Interconnection (OSI) Reference Model and therefore support any packet protocol. LANs that use switches to join segments are called switched LANs or, in the case of Ethernet networks, switched Ethernet LANs. A hub is a connection point for devices in a network. Hubs are commonly used to connect segments of a LAN. A hub contains multiple ports; when a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.