Yes, both Dialpad Talk and iTeleCenter offer a Free Trial.
Dialpad Talk is designed for Large Enterprises, Medium Business and Small Business.
iTeleCenter is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Dialpad Talk Starts at $15/User/Month whereas for iTeleCenter Starts at $19.95.
Some top alternatives to Dialpad Talk includes CloudTalk, VoIPstudio, Vonage Business, Vodia PBX, 4PSA VoipNow, MightyCall, Ringover, Continent Telecom IP PBX, GoTo Connect, Comcast Business VoiceEdge and CloudPhone.
Some top alternatives to iTeleCenter includes Dialpad Talk, VoIPstudio, Vonage Business, Textable, Voxloud, MightyCall, Ringover, YOOTOK, CloudPhone, OpenPhone and MyOperator.