[cisco-voip] Allow transfer to external phone number

[Wes Sisk]

jared,

that depends on when the provider wants the digits and what your PSTN  
circuits are.

CM has no way by default of specifying digits to pass in band (in the  
audio stream) or out of band (in a separate signaling channel such as  
h245, SIP, SCCP session or over the d-channel of a PRI or BRI).

That said you have some options:
If you have FXO ports, all signaling is passed inband.  setup your  
gateway as an h323 gateway use prefix digits under the pots dial peer  
to add pauses (,,,) then setup your CSS so that your one number uses  
this gateway and this trunk

Otherwise, you will need a call scripting application such as IP- 
IVR.  You can write a script to accept the call, initiate a transfer  
to the external destination number, wait for connect, pause, send  
digits, complete transfer.  In this case the inband vs. out of band  
is irrelevant because IVR will manage the call to the connected state  
(and isdn does not pass digits over the d-channel after initial call  
setup.

/Wes

On Apr 20, 2006, at 3:29 PM, Jared Olson wrote:

Please forgive me if this has been posted in the past.

Call Manager 4.1(3) sr2
OS:  2000.2.7

Cisco 7940 with:
- Boot Load:  PC0303010001
- App Load:   PC00307020200

Scenario:  I would like to allow a single phone or a specific group  
of phones (or CTI route point for that matter) to forward all calls  
to an external telephone number.  Keep in mind that we do call  
accounting through our Telco.  Therefore, our Telco "asks" for a 4  
digit code to be entered before the call is allowed through their  
switch.

Question:  Is there an easy way to pass along a client code to my  
Telco's switch without making it really easy for people to use a  
local number to get through to long distance number via Forwarding?   
Basically, what I need to know is can I ONLY allow ONE or a HANDFUL  
of phones to do this without making it easy for un-approved users to  
do this?  I want to avoid people doing this to bypass long distance  
charges by forwarding their local phone to a long distance phone.   
Does this make sense?  Or am I being paranoid?

Let me know if you require more information.

Thanks,

Jared


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