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Old 07-02-2008, 01:06 PM   #1 (permalink)
johnonyx
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I have a problem with an E1 connexion between HIPATH 4500 PBX and ERICSSON GSM MSC the E1 interface used on pabx is DIUN2 ISDN Q2196 but I use crc4 protocol on ericsson GSM MSC. Can some one help me? I want to know if DIUN2 ISDN use CRC4 protocol if non witch card can I use dont forget that PBX is HIPATH 4500

thanks
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