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→DPNSS and VoIP: This passage included an advertising link to a manufacturer of DPNSS converters. The sentence now states converters are available. |
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==DPNSS and VoIP==
For a protocol that began life in the 1980s, DPNSS is natively a long way from VoIP. However many of the hybrid VoIP PBXs available from manufacturer’s world wide, provide on-board DPNSS trunk cards. Where they do not, a Protocol converter is necessary. Commercially available equipment
==Criticisms==
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