[Freeswitch-users] freetdm (sangoma A101): isdn-sip display name interworking

Nikolay Kondratyev kond at nstel.ru
Thu Jan 27 12:15:09 MSK 2011

thank you for the info.
Currently my A101 is configured to be isdn network side. And with outgoing call i can see the caller name on the callee phone.
But i can't see any mention about "sip isdn name interworking" in the fs log.
Is it possible? currently i have <param name="debug" value="5"/> in freetdm.conf.xml. Should i set higher value for debug? What value would be appropriate?
And one more question: when i use just ascii symbols in caller name i can see it on the callee phone, but when i use UTF8 (russian) i can't see it.
Is "name interworking" supported with UTF8 names?

Thanks again,


From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of David Yat Sin
Sent: Wednesday, January 26, 2011 5:35 PM
To: freeswitch-users at lists.freeswitch.org
Subject: Re: [Freeswitch-users] freetdm (sangoma A101): isdn-sip display name interworking

Hi Nikolay,

The Display IE is only transmited from Network to User, so  if you are on the CPE side, on an incoming call, the Caller Name from the Display IE will be forwarded to the SIP header. And if you are on the Network side, on an outgoing call, the Caller Name will be transmitted in the Display IE.


David Yat Sin, BEng
Senior Software Engineer
Sangoma Technologies
100 Renfrew Drive, Suite 100, Markham, ON L3R 9R6 Canada

t.   +1 800 388 2475 x119  
t.   +1 905 474 1990 x119  
f.   +1 905 474 9223

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On 1/26/2011 9:11 AM, Nikolay Kondratyev wrote: 

Hi all,
can anybody please clarify if mod_freetdm and sangoma a101 pri card support isdn <-> sip display name interworking?
I mean translating the name in the isdn display information element into >From header and vice versa?
Thanks in advance, 


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