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voicemail, go to the Personal Options by pressing '4'. In the Personal Options menu, a new item
has been added in OE 4.0 (option '8') that will enable IP extension at the IP address you are
calling from. After enabling the IP extension using this menu option, hang up. From this point on,
any calls to your extension will be routed to this IP phone. Similarly, all calls you make from this
phone will be treated as calls originating from your extension.
Once you are done using the IP extension (for example, at the end of the day), you should logoff
from the IP extension using the same option as login - login to your voicemail, press 4 for
personal options, then press 8 to disable IP extension. Remember that, unlike logging into your IP
extension, you don't have to call from an IP phone to logoff. So, suppose you lose your Internet
connectivity and you want to disable IP extension, you can call in from regular PSTN phone,
login to your voicemail and disable IP extension. Once you logoff, your extension will be turned
into a virtual extension. All calls to your extension will be routed to voicemail unless you change
the default call handling settings.
In case you forget to logoff from your IP extension, even if you lose your data connection (turn
off the DSL modem, for instance), calls will continue to be routed to the IP address you logged in
from. So, if another DSL user gets your IP address from a DHCP server, he/she will get your
calls. So, it is extremely important that you logoff from your IP extension when you no longer
wish to receive calls on the IP phone if you are set up for dynamic IP address. You don't need to
worry about it if you have static IP address assigned to your IP phone.
2.2. Making Calls
To make calls from the extension, just pick up the phone and dial the number as if you are using
an analog extension. Thus, to talk to another user on the system, you would just dial the extension
number and to talk to someone on the PSTN network, you would dial the trunk access code
followed by the number (e.g. 9+18005551212) just as you would from an analog extension. If
you would like to access system features such as ##(Voicemail), you dial it exactly as in the case
of an analog extension. Note: In the case of Siemens LP5100, if you don't install the AltiGen
H.323 Gatekeeper, you will need to first press a button to connect to the AltiServ system before
getting the dial tone.
2.3. Incoming Calls
When someone (could be internal or external caller) calls your extension, the phone would ring
and if it is a sophisticated device, you would see the caller ID and caller name of the person. Once
you answer the phone, you can talk to the caller just like an analog phone and use all the features
of the PBX such as transfer, call park, etc.
2.4. Client Applications
You would be able to use the AltiView desktop call control client software with the IP
extensions. Thus, you will get screen pops on incoming calls with caller ID and caller name, you
will be able to dial contacts from AltiView, and you will be able to perform call control functions
such as transfer, transfer to VM, etc. just like in the case of an analog extension.
From AltiAdmin, AltiConsole and CallView applications, other users on the system will be able
to monitor the status of an IP extension just like an analog extension.
IP Extensions in AltiWare OE 4.0, © Copyright 2000, AltiGen Communications, Inc
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