> Source: [sk172614](https://support.checkpoint.com/results/sk/sk172614)

# sk172614 - Unable to use Cisco Jabber on Spark Firewall 1500

| Property | Value |
|----------|-------|
| Solution ID | sk172614 |
| Date Created | 2021-04-05 |
| Last Modified | 2023-02-21 |
| Technical Level | General |
| Products | Spark Firewall (Locally Managed) |
| Versions | R81.10.X |
| Platform | 1500, 1600, 1800 |

## Symptoms

- * Unable to connect to Cisco Jabber voice through wLAN0/Wi-Fi network.

* Unable to connect to Cisco Jabber voice through LAN.

## Cause

Traffic dropping on `SIP_TLS_AUTH`.

## Solution

Cisco Jabber uses ports 5060 and 5061 (SIP ports).  

To allow the use of Cisco Jabber on Quantum Spark appliances:  

1. In the WebUI, go to **Users \& Objects** \> **Services** .  

2. Search for SIP.  

3. Select the **Disable inspection for this service** option for these services:   

* SIP_TCP
* SIP_UDP
* SIP_TLS_AUTH

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