Customers of Telstra and Optus can now use picture, video and sound messaging services across both networks.
The relationship between the telcos was catalysed by the increased popularity of picture messaging (MMS).
Director of Optus mobile marketing, Paul Kitchin, said: "Now Telstra and Optus customers can send picture messages to one another, its popularity is expected to grow further."
On average, Australian consumers send more than 300 million SMS messages each month, a figure that underscores the appeal of non-verbal forms of communication.
A spokesperson for Telstra said the public has quickly adopted MMS messaging to communicate pictures and sound using the latest technology.
“If the growth of SMS is anything to go by, then the new MMS technology has the potential to have the same amount of uptake,” he said. The spokesperson claimed the growth in SMS messaging arose from intercarrier usage, which began in April 2000.
To send and receive MMS messages, customers need an MMS-capable handset.
Customers who are sent an MMS message but do not have an MMS-capable phone will receive an SMS text message informing them to go to their carrier's website to view the picture message.
MMS messages are charged at 75c per recipient for each message.