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Vonage API Help Center Vonage API Help Center
  1. Vonage API Support
  2. Voice
  3. SIP

SIP

Why does my SIP endpoint rejects the call with SIP 403 Forbidden?
Symptom When forwarding a call in my Vonage number to my SIP URI, the ca...
Is SIP Diversion header supported?
Question Can a SIP Diversion header be added to the forwarded call?  App...
No Audio In Programmable SIP IVR
Symptom An issue was happening for a user of the Voice API where no audi...
Does Vonage support Digest Authentication for inbound calls to a SIP endpoint?
Question Can I use Digest Authentication for inbound SIP calls? Applies ...
Is SIP REFER supported?
Question Can I transfer calls using SIP REFER? Applies To SIP REFER Voi...
How to Create a Redundant SIP-Forwarding Configuration
Objective Creating a redundant SIP-forwarding configuration in my Vonage...
Special Characters in Forward to SIP Address
Question Can I include _ or - within the SIP Address? Applies To Specia...
What does xxx SIP call status mean?
Question What do the various SIP call statuses mean? Applies To SIP Err...
Can I call emergency services using Vonage SIP Trunking?
Question Is it possible to dial emergency services such as 999 or 911 us...
How can I connect a soft phone with Vonage SIP trunk to make outbound calls?
Objective Connecting a soft client with Vonage SIP trunk to make outboun...

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