Alternatively or in addition, the common communication channel may be determined based on communication channels used for prior communication sessions (communication sessions prior to the first communication session and the second communication session) between two or more of the user 1, the user 2, and the user 3. For example, the session merger tool 234 may select the most frequently used communication channel between two or more of the user 1, the user 2, and the user 3 as the common communication channel. For example, the session merger tool 234 may use the communication sessions information to determine that during the last 30 days, 60% of prior communication sessions involving all of the user 1, the user 2, and the user 3 used the mobile text messaging channel. The session merger tool 234 may then determine the mobile text messaging channel as the common communication channel. As another example, the session merger tool 234 may use the communication sessions information to determine that during the last 30 days, 60% of prior communication sessions between the user 1 and the user 2 used the email channel and 70% of prior communication sessions between the user 1 and the user 3 used the email channel. The session merger v234 may then determine the email channel as the common communication channel.