Re: [Sip-implementors] Media Port change during Hold/resume

On 6/8/18 11:29 AM, Parveen Aggarwal wrote: Dear Experts, I am facing one scenario: 1. Make video call: Audio and video port non-zero 2. downgrade video call: audio port non-zero and video port 0 3. Network hold the call: audio:sendonly , video port 0 4. network sending re-invite without SDP, U

Re: [Sip-implementors] Media Port change during Hold/resume

Hi Praveen, AFAIK Unhold + Video Upgrade in a same INVITE is valid usecase. Searching for Spec reference. will update once I get it. Could think of one use case. 1. MO make VT call to MT. 2. Call held, Network support only audio announcement. 3. Network downgrades call to audio only and audio di

[Sip-implementors] Media Port change during Hold/resume

Dear Experts, I am facing one scenario: 1. Make video call: Audio and video port non-zero 2. downgrade video call: audio port non-zero and video port 0 3. Network hold the call: audio:sendonly , video port 0 4. network sending re-invite without SDP, User agent sending offer in 200 OK but with vid