Cisco IE-3000-8TC Administration Guide - Page 324
ABCD Parameters, Double Answer Parameters, Signaling Parameters
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Connection Settings Setting Caller Digits R2 Interdigits Timeout ABCD Parameters Invert ABCD Unused CD Double Answer Parameters Enable Double Answer Double Answer Timer 1 Double Answer Timer 2 Signaling Parameters Description Specify the number of Dialed Number Information Service (DNIS) digits the gateway must receive before it requests for ANI. ITU default is 1. Specify the time (in ms) the gateway must wait for the ANI/DNIS digits before aborting the call. In case of ANI digits timeout, the gateway sends out the current collected digits as the calling number to Cisco Business Edition 3000. In case of DNIS digits timeout, the gateway starts Alert Wait Timer and waits for a response from Cisco Business Edition 3000. The default value is 3000. Inverts the ABCD status bits in time-slot 16 before TX and after RX. If A bit is set to 1, the bit is inverted before it is transmitted and after it is received. The default value is 0000. R2 signaling uses the A and B status bits only. This parameter sets the unused C and D bits. The default unused C and D bits for all countries except China is 01. For China, C and D bits are 11. Check this check box to enable the Double Answer feature. The double answer parameters allow the originating side to alert the destination and also allow time for the receiver of the call to reject or accept a collect call (toll). If the receiver of the call decides to accept and answer the call, a double answer is generated within a specified time. Specify the time duration for Double Answer Timer 1. The default value is 1000 ms. (Only for the Brazil country pack.) Specify the time duration for Double Answer Timer 1. The default value is 2000 ms. (Only for the Brazil country pack.) Administration Guide for Cisco Business Edition 3000, Release 8.6(4) 304 OL-27022-01
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