Cisco SPA112 - Wiki

Cisco SPA112

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Cisco SPA112
There have been some reports of issues with this device, from both customers of and other providers.
Make sure to install the latest firmware from
Version 1.1 or later should be used for proper Caller ID support. 
Some People have reported issues using Firefox to Configure this device please try Chrome or IE. 

Configuration Details

Step 1

Attach the Cisco SPA112 to your network and attach an analog phone to one of the phone ports, then do the following:

Dial **** from the phone, even though there is no dial tone.
When you hear "System Configuration Menu," dial 1 1 0 # slowly.

The current IP address will be read back.

If you hear, check your network connection and DHCP server. If necessary, a static IP address
can be assigned by using option 111# at the IVR, then entering the IP address with your phone's keypad
(for example, 10*1*27*2 for The network mask can be set with option 121# and the default
gateway can be sent with option 131#
Learn more about the IVR menu options from the document.

Note that the SPA122 is basically a SPA112 with a second network port, intended for installation between a local network hub (LAN) and an upstream Internet (WAN) connection. The SPA122 may be configured as either a "NAT" or "bridge". Depending on configuration, this leaves the SPA122 with two addresses; a local area network address (such as and an outside Internet address. Dialling ****110# will give one address, ****210# will give the other.

Step 2

Open your web browser and go to the IP address you obtained in step 1 (for example, The default username is admin, and the default password is also admin.

For the SPA122, if one address does not return the web interface (or has some functions such as firmare upload greyed/disabled), try the other.

Step 3

SPA112 Quick.PNG

Go to Quick Setup and configure Line 1 as follows:

Proxy: (You can choose any of our multiple servers)

Display Name: Your name

User ID: Your VoIP.MS SIP Account number (or subaccount)

Password: Your VoIP.MS SIP Password

Dial Plan: (911S0|<:1555>[2-9]xxxxxx|1[2-9]xx[2-9]xxxxxxS0|[2-9]xx[2-9]xxxxxxS0|*xx|*xx.|[3468]11|822|0|00|[2-9]xxxxxx|4xxx|**275x.|xxxxxxxxxxxx.)

(note: replace 555 in the dial plan with your area code)

Click Submit to save settings.

Step 4

Click on Voice, then Line 1

Set NAT Mapping Enable to Yes, then set NAT Keep Alive Enable to Yes. If your environment does not use NAT, you can leave these settings disabled. These features can usually be disabled on the SPA122 if it is connected directly to your modem since its' traffic will not be subject to NAT in this configuration.

Under Proxy and Registration set Register Expires to 180, Proxy Fallback Intvl to 180

SPA112 NAT1.png

SPA112 Proxy1.png

Also confirm the following settings:
DNS SRV Auto Prefix: NO

Click Submit to submit these changes

Step 5

Click Network Setup, then go to Basic Setup, then click Time Settings

Set your time zone and (optional) NTP settings. A good time server choice is Setting the proper time zone will ensure that the time which appears on your Caller ID display is correct.

Click Submit to save the changes

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