Configuring Softkeys
Paging Key
You can configure a Paging key on the phone that allows you to send a Real Time Transport Protocol (RTP) stream to pre- configured multicast address(es) without involving SIP signalling. You enter a multicast IP address(es) and a port number for the Paging key, that when pressed, initiates an outgoing multicast RTP session. This is called Group Paging on the IP phones.
You can also specify group paging RTP addresses that the phone listens for when receiving RTP streams. You can specify up to 5 listening multicast addresses at the path, Basic Settings > Preferences > Group Paging RTP Settings.
For more information about Group Paging and how it works, and to specify multicast addresses, see “Group RTP Paging” on page 160.
Configuring a Paging Key Using the Aastra Web UI
Aastra Web UI
1.Click on Operation > Softkeys and XML. or
Click on Operation > Expansion Module <N>.
Softkeys
2.Select from Key 1 through Key 20 on the Top keys. or
Select from Key 1 through Key 18 on the Bottom keys.
3.In the Type field, select Paging.
4.In the Label field, enter a label to apply to this key.
5.In the Value field, enter a multicast IP address and a port number for the Paging key. When you press this key, the phone initiates an outgoing multicast RTP session to the specified address using the specified port (e.g. 239.0.1.15:10000).
Notes:
1.When you select Paging for the Type field, the Line field is disabled.
2.The Value field allows for one multicast address entry only.
6.To receive RTP steams for group paging, you must also configure the Paging Listen Addresses parameter at the path, Basic Settings > Preferences > Group Paging RTP Settings. For more information about setting this parameter, see “Group RTP Paging” on page 160.
Expansion Module Keys
7.Select from Key 1 through Key 16.
8.In the Type field, select Paging.
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