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Dowel Is good for KSA, OMAN, UAE etc. It has 4 dialer.
Itel,Gplex,Ezzy,Hellobyte. Gray port is available.So gray service is 100% ok.
all country low rate, 24x7 support.
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Citel PBXgateways are installed at the central PBX location, and EXTenders are deployed at branch offices, call centers, or at home offices over managed IP connections, DSL, cable, or analog circuits
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