| Similarity | Rank | |
|---|---|---|
| Mitel | 0.894 | 89951 |
| Avaya | 0.878 | 52110 |
| Cisco | 0.823 | 11745 |
| Conferencing | 0.796 | 59393 |
| Cisco's | 0.794 | 54154 |
| Lync | 0.791 | 52221 |
| videoconferencing | 0.785 | 53227 |
| Sonus | 0.780 | 81698 |
| Citrix | 0.779 | 32157 |
| VoIP | 0.776 | 13975 |
| conferencing | 0.773 | 18899 |
| WebEx | 0.772 | 81653 |
| Nortel | 0.771 | 52937 |
| Telephony | 0.768 | 74891 |
| Alcatel-Lucent | 0.768 | 66908 |
| IP-based | 0.768 | 68683 |
| VOIP | 0.761 | 38302 |
| D-Link | 0.757 | 86710 |
| Plantronics | 0.755 | 93685 |
| HDX | 0.750 | 78318 |
| PBX | 0.750 | 33153 |
| telephony | 0.744 | 28130 |
| telepresence | 0.741 | 77807 |
| Jabra | 0.738 | 93729 |
| Alcatel | 0.734 | 79943 |