Re: [Sip-implementors] Codec negotiation on SIP Referred-by

2017-10-10 Thread Paul Kyzivat
Hi Ivo, On 10/10/17 5:26 PM, Ivo Vastert wrote: Hi Paul, What we try to do is the following scenario: Inbound call from: #gateway1 ==> #SBC1 ==> SIP client (Gateway offers G711alaw, G711ulaw and G729) SBC passes codecs as-is. Sip client has codec preference (G722, G729, G711alaw, G711ulaw)

Re: [Sip-implementors] Codec negotiation on SIP Referred-by

2017-10-10 Thread Dale R. Worley
Ivo Vastert writes: > What we try to do is the following scenario: > > Inbound call from: #gateway1 ==> #SBC1 ==> SIP client (Gateway offers > G711alaw, G711ulaw and G729) SBC passes codecs as-is. > Sip client has codec preference (G722, G729, G711alaw, G711ulaw) > The SIP

Re: [Sip-implementors] Codec negotiation on SIP Referred-by

2017-10-10 Thread Ivo Vastert
Hi Paul, What we try to do is the following scenario: Inbound call from: #gateway1 ==> #SBC1 ==> SIP client (Gateway offers G711alaw, G711ulaw and G729) SBC passes codecs as-is. Sip client has codec preference (G722, G729, G711alaw, G711ulaw) The SIP client accepts this call, (#Leg1, on G729)

Re: [Sip-implementors] Codec negotiation on SIP Referred-by

2017-10-10 Thread Paul Kyzivat
On 10/10/17 12:33 PM, Ivo Vastert wrote: Hi, I have a question regarding possible codec re-negotiation in a Referred-by scenario. We have the following situation: A UA which has 2 legs open to a SBC / B2BUA. 1 Leg is on G729 and 1 Leg on G722. The UA is sending a Referred by towards the SBC

[Sip-implementors] Codec negotiation on SIP Referred-by

2017-10-10 Thread Ivo Vastert
Hi, I have a question regarding possible codec re-negotiation in a Referred-by scenario. We have the following situation: A UA which has 2 legs open to a SBC / B2BUA. 1 Leg is on G729 and 1 Leg on G722. The UA is sending a Referred by towards the SBC to bridge the 2 calls. What should happen