| The wholesale carrier services of VoIP is the means | | | | Initiation Protocol (SIP) is a signaling protocol that uses |
| of providing IP telephony services to the users on a | | | | communication sessions for providing initiation and |
| wholesale basis. This opens the opportunity for local | | | | termination of minutes to companies that lease |
| service providers to offer Voice over IP services to | | | | services from the wholesalers. |
| people as they can now avail the same from the | | | | The wholesale carrier services provide unlimited |
| higher tiers. However, it is also possible for people to | | | | access to people all around the globe. The termination |
| directly access VoIP services from the wholesalers as | | | | service is most often accompanied with the best of |
| well. | | | | the rates and very high quality routes. Several |
| The wholesale carrier services enable the growth and | | | | wholesale carriers also offer flexibility in the pricing of |
| sustenance of a VoIP service provider of any size. | | | | their services. These carriers offer per minute pricing |
| These may be ISP's, calling card companies or cable | | | | options for international customers. Some of the |
| providers, to name a few. These companies can very | | | | service providers offer services with toll free |
| well access the termination services provided by | | | | origination of calls. |
| wholesalers anywhere in the world. The Session | | | | |