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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP)
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AppendixA Using SIP Supplementa ry Services
Common Supplementary Services
Step 5 To conference with both callers at the same time, perform a hook flash, then press 3 on the telephone
keypad. Once you conference all three callers, the only way to drop a calle r is for that caller to hang up.
Step 6 (Optional) To conference in additional callers, the last person called with a CiscoATA can call an
additional person, that new person can call someone else, and so on. This is known as “daisy-chaining. ”
Call Waiting in the United StatesIf someone calls you while you are speaking on the telephone, you can answer by performing a hook
flash. You cannot conference in all three callers, but the first person you called could call someone else
and daisy-chain them into the conference.
When the Cisco ATA is configured to use Call Waiting by default, press *70 on your telephone keypad
to disable Call Waiting for the duration of the next call.
Call Waiting in SwedenIf someone calls you while you are speaking on the telephone, you can answer by performing a hook
flash then pressing 2 on your telephone keypad, or you can conference them with the person to whom
you are already speaking by performing a hook flash then pre ssing 3. You can also perform a hook flash
then press 3 later during the call to create a conference call.
Performing a hook flash then pressing 1 hangs up the first caller and answers the second call. If there is
no answer after one minute, the caller receives three beeps and a busy signal.
To enable call waiting for Sweden, press *43#. When the CiscoATA is configured to use Call Waiting
by default, press #43# to disable Call Waiting for the duration of the next call.
About Call ForwardingIn SIP, the CiscoATA can control call forwarding and call return.
There are three types of call forwarding:
•Forward Unconditional—Forwards every call that comes in.
•Forward When Busy—Forwards calls when the line is busy.
•Forward on No Answer—Forwards calls when the telephone is not answered after the configured
period of 0-63 seconds.
You can activate only one of these services at a time.
Call Forwarding in the United StatesForward Unconditional
Press #72 on your telephone keypad; enter the number you want to forward call to; then press # again.
Forward When Busy
Press #74 on your telephone keypad; enter the number to forward the calls to; then press # again.