APD avalanche photodiodeanalog private network signaling system
APIanalog private network signaling system
APManalog private network signaling system
Common Channel Signaling Network
DPCMdigital private network signaling system
DPLLdigital private network signaling system
Mobile Network Signaling MNS
No 7 common channel signalling network
signaling network building pattern
signaling network functions
Signaling Network Level
signaling network management
signaling network managementsystem integration modeling language
signalling network management
digital private network signaling system
network control signaling unit