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*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 in random, in the case of no affecting current
dialing rules.
3.11. redial/unredial
If B is in busy line when A calls B, A will get notice: busy, please hang up. If A want 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 not build a call with B when B is in busy, then A will subscribe
B’s calling mode at 60 second intervals. Once B is available, A will get reminder of rings to hook
off, while A hooks off, A will call B automatically. If at this time A is occupied temporarily and
unwilling to contact B, A also can cancel the redial function by dialing an appointed prefix plus
B’s number before making the redial function.
*3* is appointed prefix code. After making the above configuration, A can dial
*3* plus B’s phone number to make the redial function.
*4* is appointed prefix code. After configuration, A can dial *4* to cancel redial function.
User can set prefix in random, in the case of no affecting current dialing rules.
3.12. Click to dial
When user A browses in an appointed Web page, user A can click to call user B via a link (this
link to user B), then user A’s phone will ring, after A hooks off, the phone will dial to B.