SimilarityRank
VoIP 0.897 13975
VOIP 0.888 38302
IP-based 0.882 68683
telecommunication 0.860 30601
PBX 0.856 33153
Telephony 0.854 74891
PSTN 0.854 70140
fixed-line 0.827 97719
ISDN 0.826 57455
telecommunications 0.820 12641
wireless 0.817 3977
telecom 0.809 17401
trunking 0.807 85801
broadband 0.798 7874
IPTV 0.796 42631
backhaul 0.796 68321
conferencing 0.796 18899
wireline 0.796 70032
videoconferencing 0.792 53227
landline 0.790 30616
telco 0.788 53535
GPRS 0.785 41744
teleconferencing 0.781 78138
WiMAX 0.778 52149
UMTS 0.777 75288