Howto:SIP Media Negotiation - Details: Difference between revisions
Jump to navigation
Jump to search
| Line 41: | Line 41: | ||
#183 Session Progress with <font color="red">SDP-Offer</font> | #183 Session Progress with <font color="red">SDP-Offer</font> | ||
#PRACK with <font color="green">SDP-Answer</font> | #PRACK with <font color="green">SDP-Answer</font> | ||
#180 Ringing | #180 Ringing | ||
#PRACK | #PRACK | ||
#200 OK with <font color="red">SDP-Offer</font> | #200 OK with <font color="red">SDP-Offer</font> | ||
#ACK | #ACK | ||
== Re-Negotiation on an established call == | == Re-Negotiation on an established call == | ||
Latest revision as of 10:19, 27 September 2013
Applies To
This information applies to
- all innovaphone products
V6 Sr1-hotfix2
More Information
This information applies to firmware 6.00 sr1-hotfix2 IPxxx[07-60600.18] (or higher)!
Call Setup
Forward Negotiation
- INVITE with SDP-Offer
- 180 Ringing
- 200 OK with SDP-Answer
- ACK
Note: 180 Ringing does not contain an SDP-Answer!
Forward Negotiation with Early Media
- INVITE with SDP-Offer
- 183 Session Progress with SDP-Answer
- 180 Ringing with SDP-Answer
- 200 OK with SDP-Answer
- ACK
Note: 180 Ringing contains an SDP-Answer!
Reverse Negotiation
- INVITE
- 180 Ringing
- 200 OK with SDP-Offer
- ACK with SDP-Answer
Reverse Negotiation with Early-Media
- INVITE
- 183 Session Progress with SDP-Offer
- PRACK with SDP-Answer
- 180 Ringing
- PRACK
- 200 OK with SDP-Offer
- ACK
Re-Negotiation on an established call
Forward Negotiation
- INVITE with SDP-Offer
- 200 OK with SDP-Answer
- ACK
Reverse Negotiation
- INVITE
- 200 OK with SDP-Offer
- ACK with SDP-Answer
Related Articles
Howto:SIP Reverse Negotiation - Call Transfer