---
title: "Cisco - SPA112/SPA122 Configuration Guide"
slug: "cisco-spa112-spa122-configuration-guide"
updated: 2025-05-21T12:53:34Z
published: 2025-05-21T12:53:34Z
canonical: "docs.uboss.com/cisco-spa112-spa122-configuration-guide"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.uboss.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Cisco - SPA112/SPA122 Configuration Guide

Cisco SPA112 - • Connect the ATA to the network via “Internet” port • Connect analogue phone to the port 1 on the ATA • Dial **** • Dial 110#, this will tell you the IP address Cisco SPA 122 – • Connect it direct to your laptop using the “ETHERNET” (yellow) port. • IP address 192.168.15.1 OUT OF THE BOX SETTINGS: • Enter IP address into browser • Username – admin, Password – admin • Once logged on, click the “Voice” tab

![image.png](https://cdn.document360.io/334a2c15-3e03-4702-a06b-0946461deedc/Images/Documentation/image%28277%29.png)

When under the voice tab you want to press the “Line 1” button on the left hand side to configure line 1.

![image.png](https://cdn.document360.io/334a2c15-3e03-4702-a06b-0946461deedc/Images/Documentation/image%28278%29.png)

Once in the “Line 1” settings, you only need to add/change configuring in the “Proxy and Registration” and “Subscriber Information” Submenu’s.

![image.png](https://cdn.document360.io/334a2c15-3e03-4702-a06b-0946461deedc/Images/Documentation/image%28279%29.png)

IN PROXY AND REGISTRATION: • Proxy – sbc.insmartcloud.com • Outbound Proxy leave blank • Use Outbound Proxy – change to no

![image.png](https://cdn.document360.io/334a2c15-3e03-4702-a06b-0946461deedc/Images/Documentation/image%28280%29.png)

IN SUBSCRIBER INFORMATION: • Display Name – Line Port (upto the @symbol only) • Password – SIP Password • Auth ID – SIP Username • User ID – Line Port (upto the @symbol only) • Use Auth ID – Change to “yes”

![image.png](https://cdn.document360.io/334a2c15-3e03-4702-a06b-0946461deedc/Images/Documentation/image%28281%29.png)

IN AUDIO CONFIGURATION: • Preferred Codec – G711a • Fax Passthru Method – Re-INVITE • Fax Passthru Codec - G711a • Fax Enable T38 – Yes Also to get ATA to ATA working you will need to set: • Use Pref Codec Only – Yes • Echo cancellation enable – no

Then under the sip section change RTP Packet Size: from 0.030 to 0.020:

![image.png](https://cdn.document360.io/334a2c15-3e03-4702-a06b-0946461deedc/Images/Documentation/image%28282%29.png)