| site | Global rank | Google+sip | Rank+sip | Rank | sip billing percentage | |
| svksoftware.com | 155.4 | go | 163 | go | 171 | 95% |
| datatechlabs.com | 129.2 | go | 175 | go | 237 | 74% |
| portaone.com | 52.6 | go | 227 | go | 979 | 23% |
| ipsmarx.com | 49.6 | go | 123 | go | 305 | 40% |
| sysmaster.com | 37.0 | go | 103 | go | 287 | 36% |
| brekeke.com | 35.8 | go | 163 | go | 743 | 22% |
| ascenttelecom.com | 27.3 | go | 30 | go | 33 | 91% |
| mera-systems.com | 26.2 | go | 144 | go | 790 | 18% |
| dialexia.com | 18.2 | go | 97 | go | 516 | 19% |
| alepo.com | 17.6 | go | 48 | go | 131 | 37% |
| ivr.com | 11.8 | go | 24 | go | 49 | 49% |
| adoreinfotech.com | 10.8 | go | 33 | go | 101 | 33% |
| qiiq.com | 7.4 | go | 42 | go | 239 | 18% |
| infozech.com | 4.2 | go | 23 | go | 125 | 18% |
| kamailio.org | 3.7 | go | 168 | go | 7'570 | 2% |
| yate.null.ro | 2.6 | go | 51 | go | 986 | 5% |
| call-accounting.org | 2.0 | go | 6 | go | 18 | 33% |
| mindcti.com | 1.8 | go | 21 | go | 245 | 9% |
| advancedvoip.com | 1.3 | go | 17 | go | 228 | 7% |
| d-tac.com | 1.1 | go | 4 | go | 14 | 29% |
| cordialtech.com | 0.8 | go | 6 | go | 44 | 14% |
| opensips.org | 0.6 | go | 18 | go | 541 | 3% |
| eyebill.net | 0.6 | go | 8 | go | 108 | 7% |
| asterisk.org | 0.5 | go | 96 | go | 17'300 | 1% |
| isassoc.com | 0.5 | go | 6 | go | 80 | 8% |
| rodopi.com | 0.4 | go | 14 | go | 438 | 3% |
| telecount.com | 0.4 | go | 6 | go | 102 | 6% |
| adeptotele.com | 0.3 | go | 7 | go | 146 | 5% |
| webcdr.com | 0.3 | go | 3 | go | 30 | 10% |
| gismotel.com | 0.3 | go | 4 | go | 55 | 7% |
| ixcaccounting.com | 0.3 | go | 8 | go | 234 | 3% |
| logisense.com | 0.2 | go | 7 | go | 201 | 3% |
| dynasoft.net | 0.1 | go | 5 | go | 291 | 2% |
| highdeal.com | 0.1 | go | 7 | go | 633 | 1% |
| jerasoft.net | 0.0 | go | 3 | go | 201 | 1% |
| globalthinktec.com | 0.0 | go | 1 | go | 25 | 4% |
| mtsint.com | 0.0 | go | 3 | go | 242 | 1% |
| voipgroup.com | 0.0 | go | 1 | go | 28 | 4% |
| crestel.in | 0.0 | go | 2 | go | 119 | 2% |
| primal.com | 0.0 | go | 2 | go | 158 | 1% |
| intec-telecom-systems.com | 0.0 | go | 4 | go | 702 | 1% |
| metratech.com | 0.0 | go | 3 | go | 410 | 1% |
| intraisp.com | 0.0 | go | 1 | go | 69 | 1% |
| isi-info.com | 0.0 | go | 2 | go | 379 | 1% |
| iea-software.com | 0.0 | go | 7 | go | 21'700 | 0% |
| e-psylon.net | 0.0 | go | 3 | go | 12'900 | 0% |
| digitalpoint.com | 0.0 | go | 21 | go | 642'000 | 0% |
| billbery.com | 0.0 | go | 0 | go | 27 | 0% |
| carriers-interconnect.com | 0.0 | go | 0 | go | 169 | 0% |
| coreswitch.com | 0.0 | go | 0 | go | 1 | 0% |
| elitecore.com | 0.0 | go | 0 | go | 241 | 0% |
| flashorizon.com | 0.0 | go | 0 | go | 1 | 0% |
| infodir.com | 0.0 | go | 0 | go | 10 | 0% |
| inovaware.com | 0.0 | go | 0 | go | 483 | 0% |
| maxbill.com | 0.0 | go | 0 | go | 168 | 0% |
| parwan.com | 0.0 | go | 0 | go | 90 | 0% |
| sigmasoft.ca | 0.0 | go | 0 | go | 54 | 0% |
| trabas.com | 0.0 | go | 0 | go | 79 | 0% |
| ushacomm.com | 0.0 | go | 0 | go | 92 | 0% |