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Please tell me what is Plain old telephone service? George Raphael 03-October-2007 05:35:59 PMComments PSTN Posted by saqlain231 PSTN service Posted by waqqas1 Its a PSTN service Posted by Hash007 The most basic form of circuit-switched 9 telephone service. Posted by maveric |
Posted: 03-October-2007 06:11:33 PM By: maveric The most basic form of circuit-switched 9 telephone service. | |
Posted: 29-December-2008 02:28:05 PM By: Hash007 Its a PSTN service | |
Posted: 31-December-2008 11:34:58 PM By: waqqas1 PSTN service | |
Posted: 28-June-2009 07:35:36 AM By: saqlain231 PSTN |