| Similarity | Rank | |
|---|---|---|
| Polycom | 0.894 | 77376 |
| Avaya | 0.887 | 52110 |
| Sonus | 0.838 | 81698 |
| Telephony | 0.820 | 74891 |
| Nortel | 0.815 | 52937 |
| PBX | 0.805 | 33153 |
| Cisco's | 0.804 | 54154 |
| Alcatel-Lucent | 0.801 | 66908 |
| Lync | 0.800 | 52221 |
| VoIP | 0.800 | 13975 |
| Cisco | 0.799 | 11745 |
| RingCentral | 0.798 | 80228 |
| Telco | 0.791 | 80757 |
| IP-based | 0.777 | 68683 |
| telephony | 0.776 | 28130 |
| Alcatel | 0.772 | 79943 |
| VOIP | 0.769 | 38302 |
| Citrix | 0.767 | 32157 |
| Handset | 0.755 | 90871 |
| D-Link | 0.753 | 86710 |
| Conferencing | 0.750 | 59393 |
| NetSuite | 0.745 | 84800 |
| Wireless | 0.742 | 10281 |
| Brocade | 0.738 | 78595 |
| TELUS | 0.733 | 85284 |