Problems with T-zones gateway

[kparal]

What steps will reproduce the problem?
1.
2.
3.

What is the expected output? What do you see instead?


What version of Esmska are you using? On what operating system?
Version 1.6 on LinuxMint


If you have problem with a gateway, what its exact name and version is?
(see gateway tooltip)
t.zones.cz


Please provide any additional information below.
I registered on T-zones, I am able tos end free sms to t-mobile users, but don't able
to send through Esmska

Original issue reported on code.google.com by Vacek.Vacl on 2014-10-26 10:35:02