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virendra_godbole 08-February-2009 09:10:46 AM

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Its in short term LAPD – Link Access Procedure D channel, the linklayer defined for ISDN, provides
retransmission, error detection. E1 – the physical layer most often used for ISDN, 30 traffic channels and one signaling channel all of 64kbps.

Posted by HamidAliKhan

LAPD – Link Access Procedure D channel, the
linklayer defined for ISDN, provides
retransmission, error detection.
E1 – the physical layer most often used for
ISDN, 30 traffic channels and one signaling
channel all of 64kbps.

Posted by jahangir1983

Posted by sagitraz

LAPD stands for Link access procedure(Data) used by abis.

Because of specific nature of signalling and control information passing over E1 between bsc and bts thats why different type of interfaces are required.

Posted by Hash007

Posted: 08-February-2009 11:44:20 AM By: Hash007
Posted: 08-February-2009 11:49:39 AM By: Hash007 LAPD stands for Link access procedure(Data) used by abis. Because of specific nature of signalling and control information passing over E1 between bsc and bts thats why different type of interfaces are required.
Posted: 09-February-2009 03:08:48 AM By: sagitraz
Posted: 09-February-2009 03:10:07 AM By: sagitraz LAPD – Link Access Procedure D channel, the linklayer defined for ISDN, provides retransmission, error detection. E1 – the physical layer most often used for ISDN, 30 traffic channels and one signaling channel all of 64kbps.
Posted: 14-February-2009 07:41:17 AM By: jahangir1983 LAPD – Link Access Procedure D channel, the linklayer defined for ISDN, provides retransmission, error detection. E1 – the physical layer most often used for ISDN, 30 traffic channels and one signaling channel all of 64kbps.
Posted: 14-February-2009 07:41:53 AM By: jahangir1983 LAPD – Link Access Procedure D channel, the linklayer defined for ISDN, provides retransmission, error detection. E1 – the physical layer most often used for ISDN, 30 traffic channels and one signaling channel all of 64kbps.
Posted: 16-April-2009 02:59:18 AM By: HamidAliKhan Its in short term LAPD – Link Access Procedure D channel, the linklayer defined for ISDN, provides retransmission, error detection. E1 – the physical layer most often used for ISDN, 30 traffic channels and one signaling channel all of 64kbps.