Negotiations on consolidating the US -backed truce in the war in Gaza are at a "critical" moment, Qatari Prime Minister Sheikh Mohammed bin Abdulrahman al-Thani said on Saturday.

Mediators are working to force the next phase of the ceasefire forward, al-Thani, whose country has been a key mediator in the war, said during a panel discussion at the Doha Forum conference in Qatar.

Violence has subsided but not stopped since the Gaza truce took effect on October 10.

"We are at a critical moment. It's not yet there. So what we have just done is a pause," al-Thani said.

"We cannot consider it yet a ceasefire. A ceasefire cannot be completed unless there is a full withdrawal of the Israeli forces - (until) there is stability back in Gaza, people can go in and out - which is not the case today

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