Bug ID 629663: CGNAT SIP ALG will drop SIP INVITE

Last Modified: Dec 10, 2018

Bug Tracker

Affected Product:  See more info
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:
13.1.0, 13.0.0, 12.1.2 HF1, 11.6.3.2

Opened: Nov 21, 2016
Severity: 3-Major
Related AskF5 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