> Source: [sk145412](https://support.checkpoint.com/results/sk/sk145412)

# sk145412 - Cisco VoIP calls are dropped with "SIP Re-Invites exceeded the limit" reject reason

| Property | Value |
|----------|-------|
| Solution ID | sk145412 |
| Date Created | 2019-01-30 |
| Last Modified | 2022-01-29 |
| Technical Level | General |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- * If SIP INVITE is sent every 90 seconds as SIP keepalive, SIP connection will be disconnected in 45 minutes after the call with "`SIP Re-invites exceeded the limit`" VoIP reject reason in the log.
* SmartView Tracker shows that SIP packets are dropped with "Re-Invites exceed the limit" VoIP Reject Reason:

  *Example for SIP start log* :  
  [![](https://sc1.checkpoint.com/sc/SolutionsStatics/sk145412/open_session.png)](https://sc1.checkpoint.com/sc/SolutionsStatics/sk145412/open_session.png "Click the image to see it in full size in a new tab/window")   

  *Example for SIP reject log* :  
  [![](https://sc1.checkpoint.com/sc/SolutionsStatics/sk145412/drop_session.png)](https://sc1.checkpoint.com/sc/SolutionsStatics/sk145412/drop_session.png "Click the image to see it in full size in a new tab/window")

## Cause

This is the interoperability issue when using the Cisco VoIP Server known as the Cisco Unified Communication Manager (CUCM).

<br />

## Solution

This problem was fixed. The fix is included in:

* [Jumbo Hotfix Accumulator for R80.30](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk153152) since Take 195
* [Jumbo Hotfix Accumulator for R80.20](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk137592) since Take 160
* [Jumbo Hotfix Accumulator for R80.10](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk116380) since Take 278

<br />

If you choose not to upgrade, Check Point can supply a **Hotfix** . [Contact Check Point Support](https://www.checkpoint.com/support-services/contact-support/) to get a Hotfix for this issue.  
A Support Engineer will make sure the Hotfix is compatible with your environment before providing the Hotfix.  
For faster resolution and verification, please collect [CPinfo files](http://supportcontent.checkpoint.com/solutions?id=sk92739) from the Security Management Server and Security Gateways involved in the case.

**Related solutions:**

* [sk105853 - How Security Gateway protects against SIP registration storms](http://supportcontent.checkpoint.com/solutions?id=sk105853)
* [sk114769 - VoIP (SIP) Traffic is dropped with reason "SIP Re-Invites exceeded the limit"](http://supportcontent.checkpoint.com/solutions?id=sk114769)

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