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All Tests
GSM Side
SIP Side
SIP to GSM RZ1
SIP to GSM RZ2
SIP to GSM RZ3
SIP to Landline
SIP to SIP University Phone line
GSM RZ 1 to SIP
GSM RZ 2 to SIP
GSM RZ 3 to SIP
GSM RZ 1 to GSM RZ 2
GSM RZ 1 to GSM RZ 3
GSM RZ 2 to GSM RZ 3