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Are there any changes to chan_sip since 09/16/04 in the
stable branch that could affect the way Asterisk issues an ACK? The reason I ask…I have a product by INGATE called the
Siparator which assists in NAT traversal. It worked great until I upgraded to
Asterisk v1.0. After comparing the logs it looks like asterisk may no longer send
the GUID type ACK response the Siparator is expecting. Take a quick look at the
difference below. (BTW 10.10.0.6 is the Asterisk box) Asterisk build from 09/16/04: (These are examples not necessarily
the same call) Siparator log says: >>> Info: sipfw: recv from
10.10.0.6: ACK sip:[EMAIL PROTECTED]
SIP/2.0 Asterisk sip debug says: Transmitting: ACK
sip:[EMAIL PROTECTED]
SIP/2.0 Via: SIP/2.0/UDP 10.10.0.6:5060;branch=z9hG4bK4441b7b5 Route: <sip:[EMAIL PROTECTED]> From: "Chad Brown"
<sip:[EMAIL PROTECTED]>;tag=as490d60cd To: <sip:[EMAIL PROTECTED]>;tag=3307489924-529483 Contact: <sip:[EMAIL PROTECTED]> Call-ID: [EMAIL PROTECTED] CSeq: 102 ACK User-Agent: Asterisk PBX Content-Length: 0 Asterisk build v1.0 (These are examples not necessarily the
same call) Siparator log says: >>> Info: sipfw: recv from
10.10.0.6: ACK sip:[EMAIL PROTECTED] SIP/2.0 Asterisk sip debug says: Transmitting: ACK sip:[EMAIL PROTECTED] SIP/2.0 Via: SIP/2.0/UDP 10.10.0.6:5060;branch=z9hG4bK4be3d57b Route:
<sip:[EMAIL PROTECTED]> From: "Chad Brown"
<sip:[EMAIL PROTECTED]>;tag=as5c7a2a79 To: <sip:[EMAIL PROTECTED]>;tag=3307285355-806590 Contact: <sip:[EMAIL PROTECTED]> Call-ID: [EMAIL PROTECTED] CSeq: 102 ACK User-Agent: Asterisk PBX Content-Length: 0 My guess is that the Siparator keeps track of separate
streams with the long GUID string and then does an appropriate transform. Since
the GUID is gone in v1.0 so is Siparators ability to translate/transform the
call. Thanks for you help! |
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