Bug ID 629663: CGNAT SIP ALG will drop SIP INVITE

Last Modified: Nov 07, 2022

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 11.6.1 HF1, 11.6.1 HF2, 11.6.2, 11.6.2 HF1, 11.6.3, 11.6.3.1, 12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2

Fixed In:
13.0.0, 12.1.2 HF1, 11.6.3.2

Opened: Nov 21, 2016

Severity: 3-Major

Related Article: K23210890

Symptoms

SIP INVITE message is dropped.

Impact

Subscriber not able to make calls.

Conditions

Subscriber registers and then attempts to call out.

Workaround

None.

Fix Information

The system now uses the expiration value from the SIP message i.e. either from expires parameter or the Expire header to update the timeout of the registration record.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips