> Source: [sk106436](https://support.checkpoint.com/results/sk/sk106436)

# sk106436 - AudioCodes IP phone is unable to obtain IP address through DHCP Relay configured on Check Point Security Gateway

| Property | Value |
|----------|-------|
| Solution ID | sk106436 |
| Date Created | 2015-06-16 |
| Last Modified | 2016-11-21 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- AudioCodes IP phone is unable to obtain IP address through DHCP Relay configured on Check Point Security Gateway using legacy DHCP services per [sk98839](http://supportcontent.checkpoint.com/solutions?id=sk98839).

## Cause

The DHCP Relay "Wait Time" is set to some value larger than 0 (zero) on the interface, on which the Security Gateway should listen to BOOTP/DHCP Requests from hosts.

## Solution

This solution requires authentication. Please log in to view the full solution.

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