Cisco Support Community
Showing results for 
Search instead for 
Did you mean: 

Welcome to Cisco Support Community. We would love to have your feedback.

For an introduction to the new site, click here. If you'd prefer to explore, try our test area to get started. And see here for current known issues.

New Member

IP phone features and IP telephoney hardware usage discription!

Hello everyone!

i would like it if someone can explain to me what the following features of IP Phones:

1)support for multiple telephone lines

2)Dynamic soft keys.

for example the cisco 7970G phone supports 8 dynamic soft keys and 8 lines. what does it mean?

the other thing is what is the functionality of each of the following hardware components in a 3845 ISR in a unified network :



please give me the detail as soon as possible. many thanks in advance.

New Member

Re: IP phone features and IP telephoney hardware usage discripti

Hello Sherlock, hope is all well. Let me see if I can help you a bit. Dymanic keys means they are set in a context and they are programable by Sysadmin. The dyn keys are the ones in your IP phone just bellow or at the side of the LCD. As for the lines, I am not sure but I believe you could attach 2 or more (8 in 7970G) different extensions to the phone.

The cards you mentioned look like respectivatelly, a 4 port FXO one and a E1 controller (which might have one o more E1 ports).

Someone can confirm that please?