November 2009

293

Figure 32. FXO Ground Start – Outgoing Call Timing Diagram

IISDN SMI MESSAGES:

L4L3mCALL_REQUEST

 

 

 

L3L4mPROGRESS

L3L4mSEIZE_COMP

L3L4mCONNECT

IISDN TIMERS:

 

 

 

fake_answer_timer

 

 

 

hooktimer_offhook_answer

 

 

 

hooktimer_onhk_mod_out_rls

 

 

 

fixed_pause_timer

 

 

 

RECEIVED BITS,

 

 

 

A Bit

 

 

 

B Bit

 

TRANSMITTED

NOTE: No digits are collected on the far end in this mode.

A Bit

 

B Bit (ignored)

 

NOTE: This diagram is designed to give the reader a general understanding of the sequence of events for this robbed

bit protocol over time. The timers and spacing on this graph are not proportional to the actual events that occur.

Revised 20-Oct-03 Rev 1.4

Revised 10-Nov-98

Revision 1.3

Ground Start Signaling

Page 293
Image 293
Dialogic 6.2 manual FXO Ground Start Outgoing Call Timing Diagram, November 293