Wholesale VoIP providers are specialized telecommunications companies that sell bulk voice and messaging services to other businessesβtypically carriers, ITSPs (Internet Telephony Service Providers), MSPs, or large enterprises. Unlike retail providers that serve end-users directly, wholesale providers operate in the B2B space, offering:
- Bulk voice termination and origination
- SIP trunking services
- DID (Direct Inward Dialing) numbers
- SMS/MMS messaging services
- Number porting capabilities
- Advanced API integrations
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