This thread is now archived and closed to new comments. Some of the links and information provided in this thread may no longer be available or relevant. If you have a question please post a new topic.
No one seems to be able to answer this problem yet so I will try this site.
We have an electronic security gate at our complex & have just had an entry unit fitted which uses a sim card to ring our unit when our unit number is entered & then we can open the gate by pressing * [ star] on our phone.
All mobiles will do this except the ones using Telstra sim cards.
We have been told that the entry box sim card is not recorgnising the Telstra tone !!
Does any one have any idea as to how we can overcome this ??
PS: by replacing the phone sim card with an Optus card the phone works ok but as soon as the Telstra card is re-installed it once again won't work.