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Tagged with sip service-provider
2 questions
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SIP message, Via, Call-ID and Contact headers [closed]
In a SIP message, how is the "Via" header set?
If the value that appears in that header doesn't look correct, how can it be altered using Cisco command(s)?
Same questions for the "Call-ID" header, ...
- 399
1
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VoIP Provider and Phone Number Routing Questions
I am fairly familiar with VoIP and I have my own VoIP PBX, and my provider is Twilio (for Voice) and CallCentric (for Fax). But How do providers like Twilio work exactly? More specifically:
How do ...
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