UK PSTN Voice quality dreadful through OBI -0 Solved. Not OBI problem - cable
drgeoff:
A properly* wired adaptor lead with only 2 wires will work perfectly with most modern phones. In the cases where it does not, the only problem is that the phone does not ring on incoming calls.
* centre two pins of US type plug connected to the two contacts which are neither the centre two nor the outer two of the UK type plug or socket.
gsmlnx:
In the UK, you need to use a RJ11 to BTS Adapter which has a Ring Capacitor built-in to connect a handset/DECT base station to the OBI. The adaptor goes into the OBI phone socket and the lead from the phone into the adaptor. Then your phone will ring when called.
I bought my adaptor on Amazon.co.uk when I got OBI200 last month from said site too.
drgeoff:
Quote from: gsmlnx on April 04, 2015, 05:30:06 am
In the UK, you need to use a RJ11 to BTS Adapter which has a Ring Capacitor built-in to connect a handset/DECT base station to the OBI. The adaptor goes into the OBI phone socket and the lead from the phone into the adaptor. Then your phone will ring when called.
I bought my adaptor on Amazon.co.uk when I got OBI200 last month from said site too.
kknb0800 says he has "the same issues". The original poster complained about voice quality, not lack of ringing. Many phones available in the UK have a built in ringing capacitor and will function perfectly with a 2-wire cable. A cable or adaptor with a ringing capacitor will not do any harm. But lack of such capacitor will not, by itself, yield poor voice quality. The cause of that lies elsewhere.
If the phone has a removable line cord it may well have a US style socket. My phones do and a 2 wire cable with a US plug on each end works perfectly between phone and OBi giving a neater installation than using an adaptor. YMMV.
kknb0800:
Thanks for the replies. My phone rings without any issues. My set up is that I have a cable from the BT line to the Obi202 obi line adapter. One end has a UK socket and the other, a US style socket with 2 centre wires. Between the Obi202 and the phone, it's a US style cable on both ends without any intermediary adapters. This cable is a 4 pin cable. Is this the correct set up or have I got something wrong?
I don't mean to hijack this thread with my issue, but since the issues described by OP are the same as mine, I thought I'd see what kind of cable I should be using in the UK before starting starting a new post only to find out the cables I'm using are incorrect.
drgeoff:
Call the Obi echo test number **9 222 222 222. If the quality on that is OK then there is no problem between OBi and phone. If so, need to focus on the Obiline side of things.
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