[cisco-voip] AS5300 Gateway as SIP Phone Client

[Yura Monchak]

Hi!
Paul Gani wrote:

>We have an AS5300 IOS 12.3(12) with 4 E1s operating as a H323 gateway. 
>Several dial-peers are configured, accepting calls from other 
>gateways/gatekeepers as well as sending calls to other 
>gateways/gatekeepers.  Our only authentication performed in either 
>direction is by using number (DNIS) prefixes.
>
>We would like to test sending calls to a SIP account we have acquired. 
>We have been given an IP address, username, and password.  This is the 
>information that would normally be programmed into any one of dozens of 
>low cost SIP adapters/telephones.  However, I have not been able to find 
>information on how to program our AS5300 gateway to act as a SIP user 
>agent and be able to specify transmitting the username/password as part of 
>the client registration process.  Forgive me if I don't appear to 
>understand the concepts or terminology precisely - I'm still learning.
>
>Is what we want to do possible?  Can a Cisco gateway be programed as a SIP 
>adapter/telephone client?  I have not been able to find anything in the 
>IOS documentation for the "sip-ua" and dial-peer sections addressing this 
>situation.
>
Cisco and many other pstn-ip SIP gateways do not support secure digest 
authentication, like SIPURAs, cisco ATAs and softphones do. This is 
probably because they are expected to have a big number of users 
registered. In such cases remote ip authentication is usually performed. 
Your SIP termination partner should accept the calls from your cisco ip 
address. You can also install some SIP proxy/softswitch in your network, 
so authentication info will be sent by this entity to the termination party.
--
Yura Monchak