Still Rome, with her usual tenacity, maintained a hold upon certain tracts; and Gubazes, faithful to his allies even in the extremity of their depression, maintained a guerilla war, and hoped that some day fortune would cease to frown on him.
Meanwhile, at Byzantium, fresh negotiations were in progress, and hopes were entertained of an arrangement by which all the differences between the two great powers would be satisfactorily adjusted.

Isdigunas again represented his master at the Byzantine court, and conducted the diplomatic contest with skill and ability.

Taxing Justinian with more than one infraction of the truce concluded in A.D.545, he demanded the payment of a lump sum of two thousand six hundred pounds of gold, and expressed the willingness of Chosroes to conclude on these terms a fresh truce for five years, to take effect from the delivery of the money.
With regard to the extent of country whereto the truce should apply, he agreed to an express limitation of its range--the settled provinces of both empires should be protected by it, but Lazica and the country of the Saracens should be excluded from its operation.

Justinian consented to these terms, despite the opposition of many of his subjects, who thought that Rome degraded herself by her repeated payments of money to Persia, and accepted a position little better than that of a Persian tributary.
Thus the peace of A.D.551 did nothing towards ending the Lazic war, which, after languishing through the whole of A.D.burst out again with renewed vigor in the spring of A.D.553.

Mermeroes in that year advanced from Kutais against Telephis, a strong fort in the possession of Rome, expelled the commandant, Martinus, by a stratagem, pressed forward against the combined Roman forces, which fled before him from Ollaria, and finally drove them to the coast and cooped them up in "the Island," a small tract near the mouth of the Phasis between that stream and the Doconus.