Cisco Linksys SPA942 NA - Wiki

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Cisco Linksys SPA942 NA

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Cisco Linksys SPA942 NA

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Configuration Details

Step 1

The first step is to find out what IP Address your adapter is currently using. To do this, pick a phone connected on Line 1 and do the following:

Dial: **** (That is 4 asterisks)
Once this is done, dial: 110# (110 followed by a square)

The system should now playback the IP Address your device has been assigned.

Note: Some multi-line Cisco IP 'phones do provide a [setup] key (icon is one piece of paper with one corner folded). On these models, pressing [setup] then selecting 'Network' from the menu provides its IP without dialling any codes. The remainder of the configuration process remains the same.

Step 2

Using your favorite web browser from a computer on the same network, point the address to the IP address of your adapter.
(example Replace by the IP Address your device is currently using.

Step 3

You should now see the web interface of your Linksys/Sipura.

click on the link "Admin", and once the page has reloaded, click again on the link "Advanced View".

Step 4

Under the LINE 1 Tab, Find the following fields and fill them with the following information

Nat Keep Alive: Yes
Nat Mapping/Traversal: Yes
Proxy: (You can choose any of our multiple servers)
Register Expires: 180
Proxy Fallback Intvl: 180
Display Name: John Smith (Replace with your name or company name)
User ID: 100000 (Replace with your username)
Password: ******** (Type in the account password)
DNS SRV Auto Prefix: NO

Step 5 (Optional)

Optionally, you can configure your adapter with a better dial plan, allowing faster dialing of 10 digits number (Local US/Canada) and also enable 7 digits dialing in one area code of your choice.

At the bottom of Line 1 TAB, you will find a field called Dial Plan

Replace the 555 digits in the following line by the area code of your choice and copy the line, including parenthesis, in the Dialplan field in Line 1 Tab at the bottom of the page:


Step 6

Click on the "Save Settings " button at the bottom of the form.

Encrypted Calls configuration changes

For Encrypted calls to work a few changes in the configuration are required.

Under the LINE 1 Tab make the following changes:

Proxy: (It can be any of our servers just make sure you use the numeric value of the domain address,)
Transport type TLS
SIP port 5061 (5081, 42873 are accepted too)

After those changes go to the SIP Configuration tab and set:

"SRTP Method:" to "s-descriptor"

Lastly in the User Configuration page change:

"Secure Call Setting:" to "yes"

See also

Personal tools
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