| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free sip phone service providers | 1.03 | 0.1 | 8374 | 50 |
| sip phone service providers usa | 1.58 | 1 | 3797 | 90 |
| free sip service with phone number | 1.42 | 0.8 | 2497 | 61 |
| sip service provider free | 0.15 | 0.3 | 6090 | 14 |
| free sip voip providers | 1.81 | 0.3 | 6601 | 40 |
| best free sip providers | 1.42 | 0.7 | 2430 | 90 |
| free sip providers usa | 1.14 | 1 | 7502 | 5 |
| internet phone service for sip | 0.44 | 1 | 9338 | 49 |
| sip phone line providers | 1.54 | 1 | 4908 | 58 |
| top 10 free sip providers | 1.8 | 0.3 | 9727 | 95 |
| free sip number provider | 0.84 | 0.4 | 4905 | 47 |
