SIJ Communication is mainly focused on the VOIP wholesale business and hosted service provider for wholesale carrier. Our premium and standard routes fulfill our customer requirements with having good ACD and ASR.
Personal SIP/IAX/POTS/SMS Gateway services for A-Z calls. Pre-paid credit. Direct SIP/IAX calls or calls via POTS gateway using analog/mobile lines + pin. Callshop solution and DIDS from all regions in Czech Republic available.
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