Owner manual

GM862-QUAD / PY Software User Guide
1vv0300747 Rev. 3 - 10/07/07
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved 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<cr>
• 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