8 answer an incoming call, Ata Page 30
Page 30
GM862-QUAD / PY Software User Guide
1vv0300747 Rev. 3 - 10/07/07
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page 30 of 96
2.8 Answer an incoming Call
When an incoming call is detected the device reports an unsolicited code which may be:
Unsolicited code
Reason
RING
The extended format of incoming call indication is
disabled and a call (voice or data) is incoming.
+CRING: VOICE
The extended format of incoming call indication is
enabled and a voice call is incoming.
+CRING: ASYNC
The extended format of incoming call indication is
enabled and an asynchronous transparent data call
is incoming.
+CRING: REL ASYNC
The extended format of incoming call indication is
enabled and an asynchronous reliable (not
transparent) data call is incoming.
+CRING: SYNC
The extended format of incoming call indication is
enabled and a synchronous transparent data call is
incoming.
+CRING: REL SYNC
The extended format of incoming call indication is
enabled and a synchronous reliable (not
transparent) data call is incoming.
+CRING: FAX
The extended format of incoming call indication is
enabled and a fax call is incoming.
To answer the call:
•
Send command
ATA
•
wait for response:
Response
Reason
Action
CONNECT 9600
The incoming call was a DATA
one and called modem is now
on line.
exchange data
ERROR
No incoming call is found, call
may have been lost
call lost
NO CARRIER
The incoming call was a DATA
one and the modem
handshaking has not been
successful
check for mobile registration
and signal strength and modem
settings.
OK
The incoming call was a VOICE
call and is now active.
proceed ahead
TIP: The call is answered with the appropriate type (VOICE or DATA) regardless of the
+FCLASS setting active. To distinguish between Data and Voice see the command response or
the extended format incoming call indication