The switch to All-IP has numerous implications for your telecom services, including fax
Voice over IP technology is optimised for voice communications. This means that fax and other services added to the voice bandwidth can no longer be assured.
After the switch to IP, although analogue faxes can still be used in theory, POST cannot guarantee their delivery. Support for fax delivery problems will no longer be possible.
This change of technology from switched telephone networks to All IP networks presents numerous benefits, including new features such as landline/mobile convergence in our LuxZone and CloudPBX packages. However, faxing and the use of certain other services will only be possible in a very limited way.
As the technologies and the operator interconnection interfaces used on the public switched telephone network (PSTN) are identical, problems with the reliability of fax delivery are identical for all operators.
All telecom stakeholders (suppliers and operators) have agreed to gradually change the switched telephony technologies of most European countries over the next few years. Regulation ILR/T17/9 ILR of 9 August 2017 reflects the consensus on this matter among all Luxembourg stakeholders.
Limitations are independent of the type of connections that are now used (BRI, PRI, POTS, SIP Trunking), whether on POST Telecom’s Voice-over-IP platforms or the old switched telephone network.
Although POST Telecom understands the legal value of faxes in some industries, there are alternative solutions on the market for validating documents with an electronic signature.
Some recommendations regarding the limitations on the All-IP changeover (Institut Luxembourgeois de Régulation).
Document available at www.ilr.lu
POST Telecom Special Terms & Conditions of Sale for the landline service.
Document available at www.post.lu
Extract:_”4.3 The transfer of Fixed Telephone Services, namely to VoIP or VoBB Services, may involve some limitations, particularly in terms of configuration and/or numbering (number ranges and length) and may result in the unavailability of certain ancillary services such as the use of analogue alarm services.”
4.5 The Customer must ensure that the Customer Installation (particularly all computers, fax machines, alarms and payment terminals) is compatible with the Fixed Telephone Service and that the Access Equipment and any other Customer Installation is suitable and in compliance with the regulations in force and with the technical specifications for said Service.
Regulation ILR/T17/9 ILR of 9 August 2017
Extract: “10 Fax modem
[…] There is no guarantee of end-to-end interoperability in G711A because IP network impairments (jitter, delay, packet loss) are difficult to fully control.” Document available at www.ilr.lu