1 Basic Functions of IP Phone Testing

Ability to Register

No.

Test Item

Test Target

Operation

Desired Result

Confirmation(Y/N)

1

Registration

Check if the IP phoen can registers successfully or not.

Create a SIP extension on Asterisk and configure the IP phone.

IP Phone registers successfully

2

Registration Time

Check if the registration time meets your needs

Enter the command:

asterisk -rx “sip show peers”

You may see the information similar to the following return:

503/503  192.168.1.45  D  N  A  5060  OK (62 ms)

For the local area network test, the registration time should be less than or equal to 180 ms

3

Registration Keeping

Test if the IP phone can keep the registered status or not.

Enter the command:

tail -f /var/log/asterisk/full | grep Unregistered

Please keep testing this at least 1 minute.

Once the phone registers successfully, there should be no Unregistered message.

Ability to make calls

No.

Test Item

Test Target

Operation

Desired Result

Confirmation(Y/N)

1

Outgoing Calls

Test if the IP phone can make outgoing calls or not and the communication quality

Make calls to any other extensions

Two-way calls set up successfully, both sides do not hear echo and noise like 'buzz'.

2

Incoming Calls

Test if the IP phone can receive calls or not and thecommunication quality

Receive calls from any extension

Two-way calls set up successfully, both sides do not hear echo and noise like 'buzz'.

Supplementary Services Tests

No.

Test Item

Test Target

Operation

Desired Result

Confirm(Y/N)

1

DTMFSending

Test if the IP phone can send the following DTMF signal rightly: 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, *

Call *98  to enter the mailbox 1234567890*

In the Asterisk command line interface, you can see the following output:

--User entered '1234567890*'

2

DTMFSending

Test if the IP phone can send the following DTMF signal rightly: #

Pick up an incoming call and press'##'

User will hear the notice information of call transferring.

3

Function Key Test- Call Transfer

Test the call transfer ability

Accept an incoming call, and press the 'call transfer' key and enter the phone number.

The callers can communicate with 'call transfer' target extension.

4

Function Key Test-DND

Test DND

Using DND Key to enable or disable DND

When enable DND, the phone in test won't  receive any incoming call;
When disable DND, the phone in test can receive calls.

 

5

Function Key Test-Hold

Test hold

Press the HOLD button during an active call

The other side should be Hold and hear the hold music aggsined by Asterisk.

6

Function Key Test-Conference

Test Conference

Press 'Conference' button during an active call, and call the third party to start the conference.

During the conference, any member in the conference can hear the other two parts and let the other two hear him.

7

Function Key Test-Voicemail

Test Voicemail

Leave a message to the phone in test and press 'Voicemail'button on the phone

Phone in test can step in the voicemail box successfully and user can hear the message.