> > Should I set the channel bank to provide timing or receive timing? > > Proper symantics: timing is "always" encoded into a T1/E1 transmit > signal. You can't disable it. > > "Clock Sync" on the other hand is a setable option. If the 750 is providing > fxs interfaces to phones, then set the 750 to receive sync from the T100P. > In the majority of cases (regardless of whether fxo or fxs interfaces are > installed), channel banks should be syncing from your asterisk box. Why would you say channel banks should sync with asterisk box ? I would advoate that the highest quality timing source should be the souce of timing, ie which source has the most accurate crystal or what source has the highest stratum rating ?
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