Differnance between DS and DT phones Differnance between DS and DT phones rickuk99 (MIS) (OP) 20 Jan 04 06:14 Proberbly a stupid question but why choose one over the other? RE: Differnance between DS and DT phones sizbut (TechnicalUser) 20 Jan 04 07:43 The main reason for the two types is historical, supporting the existing phone base in different IP Office markets.The IP Office suite is a development of an non-Avaya predecessor called Network Alchemy. Network Alchemy was taken over by a UK company called SDX, whose phone systems used DT phones. Thus support for DT phones was added. SDX then became part of Lucent/Avaya and support for DS phones was added. As for which is better - hard to say, they all have their strength and weaknesses. The range of phones useable with a DS port is a lot broader and will probably keep growing would be my thought with DT becoming more of a legacy feature. RE: Differnance between DS and DT phones IPGuru (Vendor) 20 Jan 04 11:51 Voicemail operation, especialy with Group Mailboxes appears to be easier with a DT Phone, allso it seems to be easier for a user to programm features on a DT phone.Some of the key emulation available on a DT is however better than that for the DTI would suggest that the 2 biggest factors in chosing 1 over the other would be usere familiarity if the phones are already in use on another site & cost.