PLANET VIP-2020PT - Manual (Page 31)

Enterprise HD PoE IP Phone
VIP-2020PT
4 Advanced Functions
4.1 Call pickup
Call pickup is implemented by simulating pickup function of PBX; that is, when A calls B, B rings
but no answer, at this moment, C can hook off and input an appointed prefix plus B’s number,
pick up A’s call and talk with A.
The following chart shows how to configure an appointed prefix in dial peer to have call pick up
function.
*1* means appointed prefix code. After making the above configuration, C can dial *1* plus B’s
phone number to pick up A’s call. User can set prefix at random, in case it does not affect the
current dialing rules.
4.2 Joint call
When B is calling C, A can join in the existing call by inputting an appointed prefix numbers plus
B or C number, if B or C also supports joint call.
The following chart shows how to configure an appointed prefix in dial peer to have joint call
function.
*2* means appointed prefix code. After making the above configuration, A can dial *2* plus B or
C number to join B and C’s call. User can set prefix at random, in case it does not affect the
current dialing rules.
4.3 Redial / Un-redial
If B is in busy line when A calls B, A will get the notice: busy, please hang up. If A wants to
connect B as soon as B is in idle, he can use redial function at the moment and he can dials an
appointed prefix number plus B’s number to realize redial function.
What is redial function? A can’t build a call with B when B is in busy, then A will subscribe to B’s