SIP Trunking with DIDcomms made easy!
BT is phasing out ISDN by 2025, so now would be a good time to move to SIP trunking and VoIP phones services, if you have not already considered it.
With ISDN you are limited to no more than 30 channels per E1, but the a single SIP trunk from DIDcomms, you have unlimited SIP channels for inbound and outbound calls. You can either just use your SIP trunk fo...
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