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In the Cisco CallManager 4.x, when an IP Phone calls an off net number through the H323 gateway, the IP Phone displays a manipulated number instead of the actual number dialed

Core Issue

When an IP phone extension, for example 234455, calls an off net number, or a Public Switched Telephone Network (PSTN) number, through the H323 gateway, the window displays the number as #1234#xxxx, which leads to confusion.

Resolution

When a call routes through a translation or route pattern, the connected number display updates to show the modified number. In order to turn off these updates to the phone display so that the phone shows only the digits exactly as dialed, set the Always Display Original Dialed Number Cisco Unified CallManager service parameter to true. When this service parameter specifies true, the phone displays only the dialed digits for the duration of the call.  Refer to the Enabling Call Display Restrictions section of Call Display Restrictions for more information on this and other display issues.

Problem Type

Ask a how to ... question

Call control software  (CallManager, CallManager Express, ICS7750, SRST, SS7 call agents)

Call Control

CallManager

CallManager Features

Call routing

How to ...

How to ... CallManager system features

End Where Problem is Heard or Device Type Involved

IP phone

Call Topology and Direction

Off-net

IP network > PSTN/PBX/gateway

Signaling Protocol

H323

H323 Features

H323 gateway

Call Presentation

Called party number (DNIS)

User Features

Call number

CallManager Versions

CallManager 4.x

CallManager Route Plans

Route patterns

Translation patterns

Voice Gateways

IOS gateways

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