The outlawed Tehrik-e-Taliban Pakistan (TTP)'s political 'shura' or council met in the tribal belt to deliberate on the government's demand for a truce to take forward a controversial and fragile peace process.
The shura decided in principle to announce a ceasefire in the next 24 hours, TV news channels quoted their sources as saying.
The Taliban demanded the withdrawal of the army from the lawless North Waziristan tribal region. They also said non-combatants, including women and children, who are allegedly in the custody of security forces should be freed.
The TTP shura includes its deputy chief Qari Shakil Ahmed Haqqani, TTP spokesman Azam Tariq, Amir Islam, Commander Ahmed, Anwar Gandapuri, Quetta division leader Pir Sahab, Maulana Abdullah and Commander Pashtun.
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State negotiators and a Taliban-nominated committee have held preliminary talks aimed at ending the decade-long insurgency that has claimed some 40,000 lives.
However, there is growing scepticism that the process will produce a lasting solution, with observers pointing out that the Taliban have reneged on all past peace deals.
State negotiators had earlier this week made it clear that further attacks would not be tolerated. They said that if attacks continued, "it would become difficult to continue the dialogue process".